课文再现 “你认为会下雨吗?”“会,但是不要担心。我认为我们可以在下雨前到家。”—Do you think it rain? —Yes, but don't worry. I think we ______ get home before it rains.
迁移运用 1. She sixteen years old next year.
2. He take a holiday next month.

课文再现：is going to; can
迁移运用：1. will be
2. is going to

Ⅰ 根据句意或提示完成句子。
1. Scientists make an exciting : humans will live on Mars by 2050.
2. Do you think AI will make people live better or ?
3. Some experts believe robots will take many factory jobs in 20 years.
4. "Stay ! Your future is in your hands," the career advisor said.
5. Experts predict future will be more than today's models.
6. we meet at the park entrance tomorrow?

1. prediction
2. worse
3. over
4. positive
5. efficient
6. Shall

1. 根据句意“科学家们作出了一个令人激动的____：到2050年人类将在火星上生活。”，结合首字母p，可以推断出这里应该填“prediction”（预言）。
2. 句子询问“你认为人工智能会使人们生活得更好还是____?”，这里需要一个与“better”相对的词，结合语境和首字母，应填“worse”（更糟）。
3. 句子表达“一些专家认为20年后机器人将____许多工厂的工作。”，结合固定短语“take over”（接管），应填“over”。
4. 句子中的“Your future is in your hands”（你的未来掌握在你自己的手中）提示前一句应该是鼓励人们保持某种态度，结合首字母p，应填“positive”（积极的）。
5. 句子表达“专家预测未来会比现在的模型更____。”，结合首字母e和语境，可以推断出应填“efficient”（高效的）。
6. 句子询问“我们明天____在公园入口见面吗?”，结合首字母s和语境，应填“Shall”（将要，用于第一人称提出建议或询问）。

1. They will study at home on computers this Saturday. (改为一般疑问句) they at home on computers this Saturday?
2. There will be a meeting in 10 minutes. (改为同义句) There hold a meeting in 10 minutes.
3. There will be lots of cars. (改为否定句) There lots of cars.
4. Will there be more pollution in the future? (作肯定回答) Yes, .
5. be, there, fewer, will, accidents, traffic (连词成句) ?

1. Will; study
2. is going to
3. won't be
4. there will
5. Will there be fewer traffic accidents

Ⅲ 语法选择。
Life in the future will be very different from now. By 2050, cities ______1______ even more crowded because about 2.5 billion more people will live in them. All these people will need energy to power their homes. So we need to find environmentally friendly ways ______2______ houses and make energy.
Covestro, a company in Germany, is working hard to make future cities better. Rebecca Heil, a manager there, says, "Climate change and pollution ______3______ the two biggest challenges in the future. Right now, the world still depends too much ______4______ fossil fuels for energy. That is not good for the environment."
At Covestro, scientists are developing new ideas. "We're making wind turbines ______5______ than before," says manager Rebecca Heil. "______6______ they are bigger, they can produce more energy." They are also working on lighter solar panels.
$The company is recycling CO_2 ______7______ a raw material. By using CO_2 as a raw material, they ______8______ sports floors, car parts and even clothing. This helps make cities more sustainable.$
In the future, materials won't just be ______9______ lightweight, they'll also be more "intelligent". They'll share information using tiny transmitters.
______10______ of these technologies will change our lives greatly.
1. A. become B. will become C. became
2. A. build B. to build C. building
3. A. is B. are C. were
4. A. at B. in C. on
5. A. big B. bigger C. biggest
6. A. And B. So C. Because
7. A. as B. for C. with
8. A. make B. have made C. will make
9. A. more B. most C. much
10. A. All B. Both C. Every

BBCBC CACCA

1. 由"By 2050"可知用一般将来时，选B。
2. "ways to do sth"为固定搭配，选B。
3. 主语"Climate change and pollution"是复数，且为一般现在时，选B。
4. "depend on"为固定短语，选C。
5. "than before"提示用比较级，选B。
6. 前后句为因果关系，“因为更大，所以产更多能量”，选C。
7. "recycle...as..."表示“把……作为……回收”，选A。
8. 描述现在正在进行的工作及未来的成果，用一般将来时，选C。
9. "lightweight"为形容词原级，用"much"修饰，选C。
10. "these technologies"不止两个，用"All"，选A。